Abstract:
The abstract is a mandatory element. According to ABNT NBR 6028:2021, it must
briefly highlight the content of a text and present the relevant points of the work. It
must be written in a single paragraph, with concise and affirmative sentences, which
present the objective, methodology, results and conclusions of the document. The
abstract must contain a minimum of 100 and a maximum of 250 words. The abstract
must be typed in font size 12, single line spacing. References, tables and graphs
must not be presented in the abstract. The verb is used in the third person singular
text (ABNT, 2021).